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adv7619,300M接收带宽
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2017-09-04
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The ADV7619 is a high quality, two input, one output (2:1) multiplexed High-Definition Multimedia Interface (HDMI®) receiver. The ADV7619 is offered in professional (no HDCP keys) and commercial versions. The operating temperature range is 0°C to 70°C. The ADV7619 incorporates a dual input HDMI-capable receiver that supports all mandatory 3D TV formats defined in the HDMI 1.4a specification, HDTV formats up to 1080p 36-bit Deep Color/2160p 8-bit, and display resolutions up to 4k × 2k (3840 × 2160 at 30 Hz). It integrates an HDMI CEC controller that supports the capability discovery and control (CDC) feature. The ADV7619 incorporates Xpressview™ fast switching on both input HDMI ports. Using the Analog Devices, Inc., hardwarebased HDCP engine to minimize software overhead, Xpressview technology allows fast switching between both HDMI input ports in less than 1 sec. Each HDMI port has dedicated 5 V detect and Hot Plug™ assert pins. The HDMI receiver also includes an integrated programmable equalizer that ensures robust operation of the interface with long cables. The ADV7619 offers a flexible audio output port for audio data extraction from the HDMI stream. HDMI audio formats, including SACD via DSD and HBR, are supported by the ADV7619. The HDMI receiver has advanced audio functionality, such as a mute controller, that prevents audible extraneous noise in the audio output. The ADV7619 contains one main component processor (CP), which processes video signals from the HDMI receiver up to 1080p 36-bit Deep Color. It provides features such as contrast, brightness and saturation adjustments, STDI detection block, free-run, and synchronization alignment controls. For video formats with pixel clocks higher than 170 MHz, the video signals received on the HDMI receiver are output directly to the pixel port output. To accommodate the higher bandwidth required for these higher resolutions, the output on the pixel bus consists of two 24-bit buses running at up to 150 MHz: one bus contains the even pixels, and the other bus contains the odd pixels. When these two buses are combined, they allow the transfer of video data with pixel clocks up to 300 MHz. In this mode, both 4:4:4 RGB 8-bit and 4:2:2 12-bit are supported. Fabricated in an advanced CMOS process, the ADV7619 is provided in a 14 mm × 14 mm, 128-lead, surface-mount, RoHS-compliant TQFP_EP package and is specified over the 0°C to 70°C temperature range.
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